2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Diseases Of Arteries, Arterioles, And Capillaries 440-448 > Atherosclerosis 440.* > 2008 ICD-9-CM Diagnosis 440.4 Chronic total occlusion of artery of the extremities  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 440.4 can be accessed here. 440.4 is a specific code that can be used to specify a diagnosis 440.4 contains 5 index entries View the ICD-9-CM Volume 1 440.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Code first atherosclerosis of arteries of the extremities (440.20-440.29, 440.30-440.32) 440.4 also known as: Complete occlusion of artery of the extremities Total occlusion of artery of the extremities 440.4 excludes: acute occlusion of artery of extremity (444.21- 444.22) Index entries containing 440.4: Occlusion artery NEC (see also Embolism, artery) 444.9 chronic total extremity(ies) 440.4 complete extremity(ies) 440.4 extremity(ies) chronic total 440.4 complete 440.4 total 440.4